Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {8, 7, 23, 21, 9, 2} → ______
- Prime numbers in {9, 23, 5, 17, 7, 3} → ______
- Prime numbers in {5, 2, 25, 13, 3, 7} → ______
- Prime numbers in {11, 17, 29, 12, 23, 7} → ______
- Prime numbers in {27, 25, 21, 19, 2, 8} → ______
- Prime numbers in {25, 13, 3, 7, 12, 11} → ______
- Prime numbers in {27, 5, 19, 25, 15, 3} → ______
- Prime numbers in {27, 17, 21, 15, 9, 23} → ______
- Prime numbers in {29, 5, 27, 12, 25, 21} → ______
- Prime numbers in {19, 25, 11, 15, 2, 23} → ______
- Prime numbers in {25, 23, 9, 12, 15, 13} → ______
- Prime numbers in {11, 29, 8, 12, 25, 15} → ______
- Prime numbers in {8, 11, 25, 23, 13, 12} → ______
- Prime numbers in {2, 23, 9, 27, 13, 29} → ______
- Prime numbers in {11, 23, 2, 17, 29, 8} → ______
- Prime numbers in {15, 27, 29, 2, 19, 7} → ______
- Prime numbers in {21, 15, 23, 19, 2, 12} → ______
- Prime numbers in {3, 5, 19, 27, 2, 8} → ______
- Prime numbers in {21, 2, 9, 19, 7, 17} → ______
- Prime numbers in {13, 25, 2, 21, 17, 3} → ______